Somehow I doubt that Microsoft will respond to my criticisms. This is what the Free and Open Source community needs to attempt if Microsoft refused to budge.
We need to write a tool, using the Microsoft HealthVault API to export the data from HealthVault. Preferably this should export to a standard format, but comma delimited is better than nothing.
If you are investor who wants to make a business around this tool, please contact me and I will put you in touch with a technical team (not me.. I have no interest in this just now). If you are a programmer and you would like to work on this, contact me to be part of the technical team.
When confronted with proprietary software and no alternatives, hack around the problem.